| |||
| 脉冲激励电路 | |||
| 脉冲电路 | |||
| 脉冲线路 | |||
|
impulse circuit : 25 phrases in 7 subjects |
| Air defense | 1 |
| Communications | 4 |
| Electric machinery | 4 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Shipbuilding | 2 |
| Technology | 12 |
| |||
| 脉冲激励电路 | |||
| 脉冲电路 | |||
| 脉冲线路 | |||
|
impulse circuit : 25 phrases in 7 subjects |
| Air defense | 1 |
| Communications | 4 |
| Electric machinery | 4 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Shipbuilding | 2 |
| Technology | 12 |